Change text of wordpress sharing widget

This is an example of a page. Unlike posts, which are displayed on your blog’s front page in the order they’re published, pages are better suited for more timeless content that you want to be easil...

How do I change this?

* I have tried moving the page to trash then restoring it
* Have also tried removing the button and restoring it
* Also tried copying the page which works - but it won't let me set the URL to be /about